<template>
  <view class="container">
    <mescroll-body
      ref="mescrollRef"
      :sticky="true"
      @init="mescrollInit"
      :down="{ native: true }"
      @down="downCallback"
      :up="upOption"
      @up="upCallback"
    >
      <!-- tab栏 -->
      <u-tabs
        :list="tabs"
        :is-scroll="false"
        :current="curTab"
        active-color="#FA2209"
        :duration="0.2"
        @change="onChangeTab"
      />

      <!-- 订单列表 -->
      <view class="order-list">
        <view class="order-item" v-for="(item, index) in list.data" :key="index">
          <view class="item-top">
            <view class="item-top-left">
              <text class="order-time">{{ item.create_time }}</text>
            </view>
            <view class="item-top-right">
              <text class="state-text">{{ item.state_text }}</text>
            </view>
          </view>
          <!-- 商品列表 -->
          <view class="goods-list" @click="handleTargetDetail(item.order_id)">
            <view class="goods-item" v-for="(goods, idx) in item.goods" :key="idx">
              <!-- 商品图片 -->
              <view class="goods-image">
                <image class="image" :src="goods.goods_image" mode="scaleToFill"></image>
              </view>
              <!-- 商品信息 -->
              <view class="goods-content">
                <view class="goods-title"
                  ><text class="twoline-hide">{{ goods.goods_name }}</text></view
                >
                <view class="goods-props clearfix">
                  <view class="goods-props-item" v-for="(props, idx) in goods.goods_props" :key="idx">
                    <text>{{ props.value.name }}</text>
                  </view>
                </view>
              </view>
              <!-- 交易信息 -->
              <view class="goods-trade">
                <view class="goods-price">
                  <text class="unit">￥</text>
                  <text class="value">{{ goods.is_user_grade ? goods.grade_goods_price : goods.goods_price }}</text>
                </view>
                <view class="goods-num">
                  <text>×{{ goods.total_num }}</text>
                </view>
              </view>
            </view>
          </view>
          <!-- 订单合计 -->
          <view class="order-total">
            <text>共{{ item.total_num }}件商品，总金额</text>
            <text class="unit">￥</text>
            <text class="money">{{ item.pay_price }}</text>
          </view>
          <!-- 订单操作 -->
          <view v-if="item.order_status != OrderStatusEnum.CANCELLED.value" class="order-handle">
            <view class="btn-group clearfix">
              <!-- 未支付取消订单 -->
              <block v-if="item.pay_status == PayStatusEnum.PENDING.value">
                <view class="btn-item" @click="onCancel(item.order_id)">取消</view>
              </block>
              <!-- 已支付进行中的订单 -->
              <block v-if="item.order_status != OrderStatusEnum.APPLY_CANCEL.value">
                <block
                  v-if="
                    item.pay_status == PayStatusEnum.SUCCESS.value &&
                    item.delivery_status == DeliveryStatusEnum.NOT_DELIVERED.value
                  "
                >
                  <view class="btn-item" @click="onCancel(item.order_id)">申请取消</view>
                </block>
              </block>
              <!-- 已申请取消 -->
              <view v-else class="f-28 col-8">取消申请中</view>
              <!-- 未支付的订单 -->
              <block v-if="item.pay_status == PayStatusEnum.PENDING.value">
                <view class="btn-item active" @click="onPay(item.order_id)">去支付</view>
              </block>
              <!-- 确认收货 -->
              <block
                v-if="
                  item.delivery_status == DeliveryStatusEnum.DELIVERED.value &&
                  item.receipt_status == ReceiptStatusEnum.NOT_RECEIVED.value
                "
              >
                <view class="btn-item active" @click="onReceipt(item.order_id)">确认收货</view>
              </block>
              <!-- 订单评价 -->
              <block v-if="item.order_status == OrderStatusEnum.COMPLETED.value && item.is_comment == 0">
                <view class="btn-item" @click="handleTargetComment(item.order_id)">评价</view>
              </block>
            </view>
          </view>
        </view>
      </view>
    </mescroll-body>

    <!-- 支付方式弹窗 -->
    <u-popup v-model="showPayPopup" mode="bottom" border-radius="26" :closeable="true">
      <view class="pay-popup">
        <view class="title">请选择支付方式</view>
        <view class="pop-content">
          <!-- 微信支付 -->
          <!-- #ifdef MP-WEIXIN -->
          <view class="pay-item dis-flex flex-x-between" @click="onSelectPayType(PayTypeEnum.WECHAT.value)">
            <view class="item-left dis-flex flex-y-center">
              <view class="item-left_icon wechat">
                <text class="iconfont icon-wechat-pay"></text>
              </view>
              <view class="item-left_text">
                <text>{{ PayTypeEnum.WECHAT.name }}</text>
              </view>
            </view>
          </view>
          <!-- #endif -->
          <!-- 余额支付 -->
          <view class="pay-item dis-flex flex-x-between" @click="onSelectPayType(PayTypeEnum.BALANCE.value)">
            <view class="item-left dis-flex flex-y-center">
              <view class="item-left_icon balance">
                <text class="iconfont icon-balance-pay"></text>
              </view>
              <view class="item-left_text">
                <text>{{ PayTypeEnum.BALANCE.name }}</text>
              </view>
            </view>
          </view>
        </view>
      </view>
    </u-popup>
  </view>
</template>

<script>
import {
  DeliveryStatusEnum,
  DeliveryTypeEnum,
  OrderStatusEnum,
  PayStatusEnum,
  PayTypeEnum,
  ReceiptStatusEnum
} from '@/common/enum/order'
import MescrollBody from '@/components/mescroll-uni/mescroll-body.vue'
import MescrollMixin from '@/components/mescroll-uni/mescroll-mixins'
import { getEmptyPaginateObj, getMoreListData } from '@/core/app'
import * as OrderApi from '@/api/order'
import { wxPayment, aliPayment } from '@/core/app'

// 每页记录数量
const pageSize = 15

// tab栏数据
const tabs = [
  {
    name: `全部`,
    value: 'all'
  },
  {
    name: `待支付`,
    value: 'payment'
  },
  {
    name: `待发货`,
    value: 'delivery'
  },
  {
    name: `待收货`,
    value: 'received'
  },
  {
    name: `待评价`,
    value: 'comment'
  }
]

export default {
  components: {
    MescrollBody
  },
  mixins: [MescrollMixin],
  data() {
    return {
      // 枚举类
      DeliveryStatusEnum,
      DeliveryTypeEnum,
      OrderStatusEnum,
      PayStatusEnum,
      PayTypeEnum,
      ReceiptStatusEnum,

      // 当前页面参数
      options: { dataType: 'all' },
      // tab栏数据
      tabs,
      // 当前标签索引
      curTab: 0,
      // 订单列表数据
      list: getEmptyPaginateObj(),

      // 上拉加载配置
      upOption: {
        // 首次自动执行
        auto: true,
        // 每页数据的数量; 默认10
        page: { size: pageSize },
        // 数量要大于4条才显示无更多数据
        noMoreSize: 4,
        // 空布局
        empty: {
          tip: '亲，暂无订单记录'
        }
      },
      // 控制首次触发onShow事件时不刷新列表
      canReset: false,
      // 支付方式弹窗
      showPayPopup: false
    }
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    // 初始化当前选中的标签
    this.initCurTab(options)
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow() {
    this.canReset && this.onRefreshList()
    // this.canReset = true
  },

  methods: {
    // 初始化当前选中的标签
    initCurTab(options) {
      const app = this
      if (options.dataType) {
        const index = app.tabs.findIndex((item) => item.value == options.dataType)
        app.curTab = index > -1 ? index : 0
      }
    },

    /**
     * 上拉加载的回调 (页面初始化时也会执行一次)
     * 其中page.num:当前页 从1开始, page.size:每页数据条数,默认10
     * @param {Object} page
     */
    upCallback(page) {
      const app = this
      // 设置列表数据
      app
        .getOrderList(page.num)
        .then((list) => {
          const curPageLen = list.data.length
          const totalSize = list.data.total
          app.mescroll.endBySize(curPageLen, totalSize)
        })
        .catch(() => app.mescroll.endErr())
    },

    // 获取订单列表
    getOrderList(pageNo = 1) {
      const app = this
      return new Promise((resolve, reject) => {
        OrderApi.list({ dataType: app.getTabValue(), page: pageNo }, { load: false }).then((result) => {
          // 合并新数据
          const newList = app.initList(result.data.list)
          app.list.data = getMoreListData(newList, app.list, pageNo)
          resolve(newList)
        })
      })
    },

    // 初始化订单列表数据
    initList(newList) {
      newList.data.forEach((item) => {
        item.total_num = 0
        item.goods.forEach((goods) => {
          item.total_num += goods.total_num
        })
      })
      return newList
    },

    // 获取当前标签项的值
    getTabValue() {
      return this.tabs[this.curTab].value
    },

    // 切换标签项
    onChangeTab(index) {
      const app = this
      // 设置当前选中的标签
      app.curTab = index
      // 刷新订单列表
      app.onRefreshList()
    },

    // 刷新订单列表
    onRefreshList() {
      this.list = getEmptyPaginateObj()
      setTimeout(() => {
        this.mescroll.resetUpScroll()
      }, 120)
    },

    // 取消订单
    onCancel(orderId) {
      const app = this
      uni.showModal({
        title: '友情提示',
        content: '确认要取消该订单吗？',
        success(o) {
          if (o.confirm) {
            OrderApi.cancel(orderId).then((result) => {
              // 显示成功信息
              app.$toast(result.message)
              // 刷新订单列表
              app.onRefreshList()
            })
          }
        }
      })
    },

    // 确认收货
    onReceipt(orderId) {
      const app = this
      uni.showModal({
        title: '友情提示',
        content: '确认收到商品了吗？',
        success(o) {
          if (o.confirm) {
            OrderApi.receipt(orderId).then((result) => {
              // 显示成功信息
              app.$success(result.message)
              // 刷新订单列表
              app.onRefreshList()
            })
          }
        }
      })
    },

    // 点击去支付
    onPay(orderId) {
      // 记录订单id
      this.payOrderId = orderId
      this.payType = PayTypeEnum.ALIPAY.value
      // 显示支付方式弹窗
      // this.showPayPopup = true
      OrderApi.pay(this.payOrderId, this.payType).then((result) => this.onSubmitCallback(result))
    },

    // 选择支付方式
    onSelectPayType(payType) {
      const app = this
      // 隐藏支付方式弹窗
      this.showPayPopup = false
      // 发起支付请求
      OrderApi.pay(app.payOrderId, payType).then((result) => app.onSubmitCallback(result))
    },

    // 订单提交成功后回调
    onSubmitCallback(result) {
      const app = this
      // 发起微信支付
      if (result.data.pay_type == PayTypeEnum.WECHAT.value) {
        wxPayment(result.data.payment)
          .then(() => {
            app.$success('支付成功')
            setTimeout(() => {
              app.onRefreshList()
            }, 1500)
          })
          .catch((err) => {
            app.$error('订单未支付')
          })
          .finally(() => {
            app.disabled = false
          })
      }
      // 余额支付
      if (result.data.pay_type == PayTypeEnum.BALANCE.value) {
        app.$success('支付成功')
        app.disabled = false
        setTimeout(() => {
          app.onRefreshList()
        }, 1500)
      }

      // 支付宝
      if (result.data.payType == PayTypeEnum.ALIPAY.value) {
        aliPayment(result.data.payment)
          .then((res) => {
            if (res.resultCode === '9000') {
                app.$success('支付成功')
            }
            if (res.resultCode === '6001') {
                app.$success('订单未支付')
            }
            setTimeout(() => {
              app.onRefreshList()
            }, 1500)
          })
          .catch((err) => app.$error('订单支付出错'))
          .finally(() => {
            app.disabled = false
          })
      }
    },

    // 跳转到订单详情页
    handleTargetDetail(orderId) {
      this.$navTo('pages/order/detail', { orderId })
    },

    // 跳转到订单评价页
    handleTargetComment(orderId) {
      this.$navTo('pages/order/comment/index', { orderId })
    }
  }
}
</script>

<style lang="scss" scoped>
// 项目内容
.order-item {
  margin: 20rpx auto 20rpx auto;
  padding: 30rpx 30rpx;
  width: 94%;
  box-shadow: 0 1rpx 5rpx 0px rgba(0, 0, 0, 0.05);
  border-radius: 16rpx;
  background: #fff;
}

// 项目顶部
.item-top {
  display: flex;
  justify-content: space-between;
  font-size: 26rpx;
  margin-bottom: 40rpx;

  .order-time {
    color: #777;
  }

  .state-text {
    color: $uni-text-color-active;
  }
}

// 商品列表
.goods-list {
  // 商品项
  .goods-item {
    display: flex;
    margin-bottom: 40rpx;

    // 商品图片
    .goods-image {
      width: 180rpx;
      height: 180rpx;

      .image {
        display: block;
        width: 100%;
        height: 100%;
        border-radius: 8rpx;
      }
    }

    // 商品内容
    .goods-content {
      flex: 1;
      padding-left: 16rpx;
      padding-top: 16rpx;

      .goods-title {
        font-size: 26rpx;
        max-height: 76rpx;
      }

      .goods-props {
        margin-top: 14rpx;
        height: 40rpx;
        color: #ababab;
        font-size: 24rpx;
        overflow: hidden;

        .goods-props-item {
          display: inline-block;
          margin-right: 14rpx;
          padding: 4rpx 16rpx;
          border-radius: 12rpx;
          background-color: #f5f5f5;
          width: auto;
        }
      }
    }

    // 交易信息
    .goods-trade {
      padding-top: 16rpx;
      width: 150rpx;
      text-align: right;
      color: $uni-text-color-grey;
      font-size: 26rpx;

      .goods-price {
        vertical-align: bottom;
        margin-bottom: 16rpx;

        .unit {
          margin-right: -2rpx;
          font-size: 24rpx;
        }
      }
    }
  }
}

// 订单合计
.order-total {
  font-size: 26rpx;
  vertical-align: bottom;
  text-align: right;
  height: 40rpx;
  margin-bottom: 30rpx;

  .unit {
    margin-left: 8rpx;
    margin-right: -2rpx;
    font-size: 26rpx;
  }

  .money {
    font-size: 28rpx;
  }
}

// 订单操作
.order-handle {
  .btn-group {
    .btn-item {
      border-radius: 10rpx;
      padding: 6rpx 20rpx;
      margin-left: 15rpx;
      font-size: 28rpx;
      float: right;
      color: #383838;
      border: 1rpx solid #a8a8a8;

      &:last-child {
        margin-left: 0;
      }

      &.active {
        color: $uni-text-color-active;
        border: 1rpx solid $uni-text-color-active;
      }
    }
  }
}

// 弹出层-支付方式
.pay-popup {
  padding: 24rpx;

  .title {
    font-size: 30rpx;
    margin-bottom: 40rpx;
    font-weight: bold;
    text-align: center;
  }

  .pop-content {
    min-height: 260rpx;
    padding: 0 10rpx;

    .pay-item {
      padding: 24rpx 35rpx;
      font-size: 28rpx;
      border-bottom: 1rpx solid #f1f1f1;

      &:last-child {
        border-bottom: none;
      }

      .item-left_icon {
        margin-right: 20rpx;
        font-size: 32rpx;

        &.wechat {
          color: #00c800;
        }

        &.balance {
          color: #ff9700;
        }
      }
    }
  }
}
</style>
